---
title: "Interface_Expansion"
symbolcount: "64"
layout: symlib
archivesize: "6.8K"
---

<table>
<tr>
<th>Symbol</th>
<th>Description</th>
</tr>
<tr>
<td>AS1115-BQFT</td><td>Description: 64 LEDs, I2C Interfaced LED Driver with Keyscan, TQFN-24<br>Keys: led driver i2c<br>Datasheet: <a href="https://ams.com/documents/20143/36005/AS1115_DS000206_1-00.pdf/3d3e6d35-b184-1329-adf9-2d769eb2404f">https://ams.com/documents/20143/36005/AS1115_DS000206_1-00.pdf/3d3e6d35-b184-1329-adf9-2d769eb2404f</a></td>
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<td>AS1115-BSST</td><td>Description: 64 LEDs, I2C Interfaced LED Driver with Keyscan, QSOP-24<br>Keys: led driver i2c<br>Datasheet: <a href="https://ams.com/documents/20143/36005/AS1115_DS000206_1-00.pdf/3d3e6d35-b184-1329-adf9-2d769eb2404f">https://ams.com/documents/20143/36005/AS1115_DS000206_1-00.pdf/3d3e6d35-b184-1329-adf9-2d769eb2404f</a></td>
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<td>LTC4314xGN</td><td>Description: Pin-Selectable, 4-Channel, 2-Wire Multiplexer with Bus Buffers, SSOP-20<br>Keys: I2C Multiplexer Buffer Level Shifter<br>Datasheet: <a href="https://www.analog.com/media/en/technical-documentation/data-sheets/4314f.pdf">https://www.analog.com/media/en/technical-documentation/data-sheets/4314f.pdf</a></td>
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<td>LTC4314xUDC</td><td>Description: Pin-Selectable, 4-Channel, 2-Wire Multiplexer with Bus Buffers, QFN-20<br>Keys: I2C Multiplexer Buffer Level Shifter<br>Datasheet: <a href="https://www.analog.com/media/en/technical-documentation/data-sheets/4314f.pdf">https://www.analog.com/media/en/technical-documentation/data-sheets/4314f.pdf</a></td>
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<td>LTC4317</td><td>Description: Dual I2C/SMBus Address-Translator, DFN-16<br>Keys: I2C Translator 4kV-ESD Level-Shifter Hot-Swap<br>Datasheet: <a href="https://www.analog.com/media/en/technical-documentation/data-sheets/4317fa.pdf">https://www.analog.com/media/en/technical-documentation/data-sheets/4317fa.pdf</a></td>
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<td>MAX7325AEG+</td><td>Description: I2C Port Expander with 8 Push-Pull and 8 Open-Drain I/Os, QSOP-24<br>Keys: Expander I2C Parallel Port GPIO Maxim<br>Datasheet: <a href="https://datasheets.maximintegrated.com/en/ds/MAX7325.pdf">https://datasheets.maximintegrated.com/en/ds/MAX7325.pdf</a></td>
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<td>MCP23008-xML</td><td>Description: 8-bit I/O expander, I2C, interrupts, QFN-20<br>Keys: I2C parallel port expander<br>Datasheet: <a href="http://ww1.microchip.com/downloads/en/DeviceDoc/MCP23008-MCP23S08-Data-Sheet-20001919F.pdf">http://ww1.microchip.com/downloads/en/DeviceDoc/MCP23008-MCP23S08-Data-Sheet-20001919F.pdf</a></td>
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<td>MCP23008-xP</td><td>Description: 8-bit I/O expander, I2C, interrupts, PDIP-18<br>Keys: I2C parallel port expander<br>Datasheet: <a href="http://ww1.microchip.com/downloads/en/DeviceDoc/MCP23008-MCP23S08-Data-Sheet-20001919F.pdf">http://ww1.microchip.com/downloads/en/DeviceDoc/MCP23008-MCP23S08-Data-Sheet-20001919F.pdf</a></td>
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<td>MCP23008-xSO</td><td>Description: 8-bit I/O expander, I2C, interrupts, SOIC-18<br>Keys: I2C parallel port expander<br>Datasheet: <a href="http://ww1.microchip.com/downloads/en/DeviceDoc/MCP23008-MCP23S08-Data-Sheet-20001919F.pdf">http://ww1.microchip.com/downloads/en/DeviceDoc/MCP23008-MCP23S08-Data-Sheet-20001919F.pdf</a></td>
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<td>MCP23008-xSS</td><td>Description: 8-bit I/O expander, I2C, interrupts, SSOP-20<br>Keys: I2C parallel port expander<br>Datasheet: <a href="http://ww1.microchip.com/downloads/en/DeviceDoc/MCP23008-MCP23S08-Data-Sheet-20001919F.pdf">http://ww1.microchip.com/downloads/en/DeviceDoc/MCP23008-MCP23S08-Data-Sheet-20001919F.pdf</a></td>
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<td>MCP23017_ML</td><td>Description: 16-bit I/O expander, I2C, interrupts, w pull-ups, QFN-28<br>Keys: I2C parallel port expander<br>Datasheet: <a href="http://ww1.microchip.com/downloads/en/DeviceDoc/20001952C.pdf">http://ww1.microchip.com/downloads/en/DeviceDoc/20001952C.pdf</a></td>
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<td>MCP23017_SO</td><td>Description: 16-bit I/O expander, I2C, interrupts, w pull-ups, SOIC-28<br>Keys: I2C parallel port expander<br>Datasheet: <a href="http://ww1.microchip.com/downloads/en/DeviceDoc/20001952C.pdf">http://ww1.microchip.com/downloads/en/DeviceDoc/20001952C.pdf</a></td>
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<td>MCP23017_SP</td><td>Description: 16-bit I/O expander, I2C, interrupts, w pull-ups, SPDIP-28<br>Keys: I2C parallel port expander<br>Datasheet: <a href="http://ww1.microchip.com/downloads/en/DeviceDoc/20001952C.pdf">http://ww1.microchip.com/downloads/en/DeviceDoc/20001952C.pdf</a></td>
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<td>MCP23017_SS</td><td>Description: 16-bit I/O expander, I2C, interrupts, w pull-ups, SSOP-28<br>Keys: I2C parallel port expander<br>Datasheet: <a href="http://ww1.microchip.com/downloads/en/DeviceDoc/20001952C.pdf">http://ww1.microchip.com/downloads/en/DeviceDoc/20001952C.pdf</a></td>
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<td>MCP23S17_ML</td><td>Description: 16-bit I/O expander, SPI, interrupts, w pull-ups, QFN-28<br>Keys: SPI parallel port expander<br>Datasheet: <a href="http://ww1.microchip.com/downloads/en/DeviceDoc/20001952C.pdf">http://ww1.microchip.com/downloads/en/DeviceDoc/20001952C.pdf</a></td>
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<td>MCP23S17_SO</td><td>Description: 16-bit I/O expander, SPI, interrupts, w pull-ups, SOIC-28<br>Keys: SPI parallel port expander<br>Datasheet: <a href="http://ww1.microchip.com/downloads/en/DeviceDoc/20001952C.pdf">http://ww1.microchip.com/downloads/en/DeviceDoc/20001952C.pdf</a></td>
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<td>MCP23S17_SP</td><td>Description: 16-bit I/O expander, SPI, interrupts, w pull-ups, SPDIP-28<br>Keys: microchip i2c parallel port expander<br>Datasheet: <a href="http://ww1.microchip.com/downloads/en/DeviceDoc/20001952C.pdf">http://ww1.microchip.com/downloads/en/DeviceDoc/20001952C.pdf</a></td>
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<td>MCP23S17_SS</td><td>Description: 16-bit I/O expander, I2C, interrupts, w pull-ups, SSOP-28<br>Keys: SPI parallel port expander<br>Datasheet: <a href="http://ww1.microchip.com/downloads/en/DeviceDoc/20001952C.pdf">http://ww1.microchip.com/downloads/en/DeviceDoc/20001952C.pdf</a></td>
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<td>P82B96</td><td>Description: Dual I2C Bus Buffer, DIP8/SO8/TSSOP8<br>Keys: I2C Bus Buffer<br>Datasheet: <a href="http://www.nxp.com/documents/data_sheet/P82B96.pdf">http://www.nxp.com/documents/data_sheet/P82B96.pdf</a></td>
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<td>PCA9516</td><td>Description: 5 channels I2C Hub, SO/TSSOP16<br>Keys: I2C Hub<br>Datasheet: <a href="http://www.nxp.com/documents/data_sheet/PCA9518.pdf">http://www.nxp.com/documents/data_sheet/PCA9518.pdf</a></td>
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<td>PCA9536D</td><td>Description: 4-bit I2C-bus and SMBus IO port, SOIC-8<br>Keys: i2c io port<br>Datasheet: <a href="http://www.nxp.com/documents/data_sheet/PCA9536.pdf">http://www.nxp.com/documents/data_sheet/PCA9536.pdf</a></td>
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<td>PCA9536DP</td><td>Description: 4-bit I2C-bus and SMBus IO port, TSSOP-8<br>Keys: i2c io port<br>Datasheet: <a href="http://www.nxp.com/documents/data_sheet/PCA9536.pdf">http://www.nxp.com/documents/data_sheet/PCA9536.pdf</a></td>
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<td>PCA9537</td><td>Description: 4-bit I2C-bus and SMBus IO port with interrupt and reset, TSSOP-10<br>Keys: i2c io port<br>Datasheet: <a href="https://www.nxp.com/docs/en/data-sheet/PCA9537.pdf">https://www.nxp.com/docs/en/data-sheet/PCA9537.pdf</a></td>
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<td>PCA9544AD</td><td>Description: 4-channel I2C-bus multiplexer with interrupt logic, SOIC-20<br>Keys: i2c multiplexer<br>Datasheet: <a href="http://www.nxp.com/documents/data_sheet/PCA9544A.pdf">http://www.nxp.com/documents/data_sheet/PCA9544A.pdf</a></td>
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<td>PCA9544APW</td><td>Description: 4-channel I2C-bus multiplexer with interrupt logic, TSSOP-20<br>Keys: i2c multiplexer<br>Datasheet: <a href="http://www.nxp.com/documents/data_sheet/PCA9544A.pdf">http://www.nxp.com/documents/data_sheet/PCA9544A.pdf</a></td>
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<td>PCA9548ADB</td><td>Description: Low voltage 8-channel I2C switch with reset, SSOP-24<br>Keys: Low voltage 8-channel I2C switch with reset<br>Datasheet: <a href="http://www.ti.com/lit/ds/symlink/pca9548a.pdf">http://www.ti.com/lit/ds/symlink/pca9548a.pdf</a></td>
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<td>PCA9548ADW</td><td>Description: Low voltage 8-channel I2C switch with reset, SOIC-24<br>Keys: Low voltage 8-channel I2C switch with reset<br>Datasheet: <a href="http://www.ti.com/lit/ds/symlink/pca9548a.pdf">http://www.ti.com/lit/ds/symlink/pca9548a.pdf</a></td>
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<td>PCA9548APW</td><td>Description: Low voltage 8-channel I2C switch with reset, TSSOP-24<br>Keys: Low voltage 8-channel I2C switch with reset<br>Datasheet: <a href="http://www.ti.com/lit/ds/symlink/pca9548a.pdf">http://www.ti.com/lit/ds/symlink/pca9548a.pdf</a></td>
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<td>PCA9548ARGE</td><td>Description: Low voltage 8-channel I2C switch with reset, VQFN-24<br>Keys: Low voltage 8-channel I2C switch with reset<br>Datasheet: <a href="http://www.ti.com/lit/ds/symlink/pca9548a.pdf">http://www.ti.com/lit/ds/symlink/pca9548a.pdf</a></td>
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<td>PCA9555D</td><td>Description: IO expander 16 GPIO, I2C 400kHz, Interrupt, 2.3 - 5.5V, SOIC-24<br>Keys: I2C TWI IO expander<br>Datasheet: <a href="https://www.nxp.com/docs/en/data-sheet/PCA9555.pdf">https://www.nxp.com/docs/en/data-sheet/PCA9555.pdf</a></td>
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<td>PCA9555DB</td><td>Description: IO expander 16 GPIO, I2C 400kHz, Interrupt, 2.3 - 5.5V, SSOP-24<br>Keys: I2C TWI IO expander<br>Datasheet: <a href="https://www.nxp.com/docs/en/data-sheet/PCA9555.pdf">https://www.nxp.com/docs/en/data-sheet/PCA9555.pdf</a></td>
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<td>PCA9555PW</td><td>Description: IO expander 16 GPIO, I2C 400kHz, Interrupt, 2.3 - 5.5V, TSSOP-24<br>Keys: I2C TWI IO expander<br>Datasheet: <a href="https://www.nxp.com/docs/en/data-sheet/PCA9555.pdf">https://www.nxp.com/docs/en/data-sheet/PCA9555.pdf</a></td>
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<td>PCA9557BS</td><td>Description: 8-bit I2C-bus and SMBus I/O port with reset, HVQFN-16<br>Keys: SMBUS I2C Expander<br>Datasheet: <a href="https://www.nxp.com/docs/en/data-sheet/PCA9557.pdf">https://www.nxp.com/docs/en/data-sheet/PCA9557.pdf</a></td>
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<td>PCA9557D</td><td>Description: 8-bit I2C-bus and SMBus I/O port with reset, SO-16<br>Keys: SMBUS I2C Expander<br>Datasheet: <a href="https://www.nxp.com/docs/en/data-sheet/PCA9557.pdf">https://www.nxp.com/docs/en/data-sheet/PCA9557.pdf</a></td>
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<td>PCA9557PW</td><td>Description: 8-bit I2C-bus and SMBus I/O port with reset, TSSOP-16<br>Keys: SMBUS I2C Expander<br>Datasheet: <a href="https://www.nxp.com/docs/en/data-sheet/PCA9557.pdf">https://www.nxp.com/docs/en/data-sheet/PCA9557.pdf</a></td>
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<td>PCAL6416APW</td><td>Description: IO expander 16 GPIO, I2C 400kHz, Interrupt, 1.65 - 5.5V, TSSOP-24<br>Keys: I2C TWI IO expander<br>Datasheet: <a href="https://www.nxp.com/docs/en/data-sheet/PCAL6416A.pdf">https://www.nxp.com/docs/en/data-sheet/PCAL6416A.pdf</a></td>
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<td>PCF8574</td><td>Description: 8 Bit Port/Expander to I2C Bus, DIP/SOIC-16<br>Keys: I2C Expander<br>Datasheet: <a href="http://www.nxp.com/documents/data_sheet/PCF8574_PCF8574A.pdf">http://www.nxp.com/documents/data_sheet/PCF8574_PCF8574A.pdf</a></td>
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<td>PCF8574A</td><td>Description: 8 Bit Port/Expander to I2C Bus, DIP/SOIC-16<br>Keys: I2C Expander<br>Datasheet: <a href="http://www.nxp.com/documents/data_sheet/PCF8574_PCF8574A.pdf">http://www.nxp.com/documents/data_sheet/PCF8574_PCF8574A.pdf</a></td>
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<td>PCF8574ATS</td><td>Description: 8 Bit Port/Expander to I2C Bus, SSOP-20<br>Keys: I2C Expander<br>Datasheet: <a href="http://www.nxp.com/documents/data_sheet/PCF8574_PCF8574A.pdf">http://www.nxp.com/documents/data_sheet/PCF8574_PCF8574A.pdf</a></td>
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<td>PCF8574TS</td><td>Description: 8 Bit Port/Expander to I2C Bus, SSOP-20<br>Keys: I2C Expander<br>Datasheet: <a href="http://www.nxp.com/documents/data_sheet/PCF8574_PCF8574A.pdf">http://www.nxp.com/documents/data_sheet/PCF8574_PCF8574A.pdf</a></td>
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<td>PCF8584</td><td>Description: I2C Bus Controller, DIP/SOIC-20<br>Keys: I2C Bus<br>Datasheet: <a href="http://www.nxp.com/documents/data_sheet/PCF8584.pdf">http://www.nxp.com/documents/data_sheet/PCF8584.pdf</a></td>
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<td>PCF8591</td><td>Description: 4ch ADC, 1 DAC, I2C Bus Interface, DIP/SOIC-16<br>Keys: I2C ADC DAC<br>Datasheet: <a href="http://www.nxp.com/documents/data_sheet/PCF8591.pdf">http://www.nxp.com/documents/data_sheet/PCF8591.pdf</a></td>
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<td>STMPE1600</td><td>Description: IO expander 16 GPIO, I2C 400kHz, Interrupt, 1.65 - 3.6V, QFN-24<br>Keys: IO expander 16 GPIO<br>Datasheet: <a href="http://www.st.com/resource/en/datasheet/stmpe1600.pdf">http://www.st.com/resource/en/datasheet/stmpe1600.pdf</a></td>
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<td>TCA9534</td><td>Description: 8 Bit Port/Expander, I2C SMBUS, Interrupt output, TSSOP-16, SOIC-16<br>Keys: SMBUS I2C Expander<br>Datasheet: <a href="http://www.ti.com/lit/ds/symlink/tca9534.pdf">http://www.ti.com/lit/ds/symlink/tca9534.pdf</a></td>
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<td>TCA9535DBR</td><td>Description: 16-bit I/O expander, I2C and SMBus interface, interrupts, w/o pull-ups, SSOP-24<br>Keys: ti parallel port<br>Datasheet: <a href="http://www.ti.com/lit/ds/symlink/tca9535.pdf">http://www.ti.com/lit/ds/symlink/tca9535.pdf</a></td>
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<td>TCA9535DBT</td><td>Description: 16-bit I/O expander, I2C and SMBus interface, interrupts, w/o pull-ups, SSOP-24<br>Keys: ti parallel port<br>Datasheet: <a href="http://www.ti.com/lit/ds/symlink/tca9535.pdf">http://www.ti.com/lit/ds/symlink/tca9535.pdf</a></td>
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<td>TCA9535MRGER</td><td>Description: 16-bit I/O expander, I2C and SMBus interface, interrupts, w/o pull-ups, QFN-24<br>Keys: ti parallel port<br>Datasheet: <a href="http://www.ti.com/lit/ds/symlink/tca9535.pdf">http://www.ti.com/lit/ds/symlink/tca9535.pdf</a></td>
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<td>TCA9535PWR</td><td>Description: 16-bit I/O expander, I2C and SMBus interface, interrupts, w/o pull-ups, TSSOP-24 package<br>Keys: ti parallel port<br>Datasheet: <a href="http://www.ti.com/lit/ds/symlink/tca9535.pdf">http://www.ti.com/lit/ds/symlink/tca9535.pdf</a></td>
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<td>TCA9535RGER</td><td>Description: 16-bit I/O expander, I2C and SMBus interface, interrupts, w/o pull-ups, QFN-24<br>Keys: ti parallel port<br>Datasheet: <a href="http://www.ti.com/lit/ds/symlink/tca9535.pdf">http://www.ti.com/lit/ds/symlink/tca9535.pdf</a></td>
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<td>TCA9535RTWR</td><td>Description: 16-bit I/O expander, I2C and SMBus interface, interrupts, w/o pull-ups, QFN-24<br>Keys: ti parallel port<br>Datasheet: <a href="http://www.ti.com/lit/ds/symlink/tca9535.pdf">http://www.ti.com/lit/ds/symlink/tca9535.pdf</a></td>
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<td>TCA9544A</td><td>Description: I2C Hub, 4 Channels, Interrupts, TSSOP-20<br>Keys: I2C Hub<br>Datasheet: <a href="http://www.ti.com/lit/ds/symlink/tca9544a.pdf">http://www.ti.com/lit/ds/symlink/tca9544a.pdf</a></td>
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<td>TCA9548AMRGER</td><td>Description: Low voltage 8-channel I2C switch with reset, VQFN-24<br>Keys: Low voltage 8-channel I2C switch with reset<br>Datasheet: <a href="http://www.ti.com/lit/ds/symlink/tca9548a.pdf">http://www.ti.com/lit/ds/symlink/tca9548a.pdf</a></td>
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<td>TCA9548APWR</td><td>Description: Low voltage 8-channel I2C switch with reset, TSSOP-24<br>Keys: Low voltage 8-channel I2C switch with reset<br>Datasheet: <a href="http://www.ti.com/lit/ds/symlink/tca9548a.pdf">http://www.ti.com/lit/ds/symlink/tca9548a.pdf</a></td>
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<td>TCA9548ARGER</td><td>Description: Low voltage 8-channel I2C switch with reset, QFN-24<br>Keys: Low voltage 8-channel I2C switch with reset<br>Datasheet: <a href="http://www.ti.com/lit/ds/symlink/tca9548a.pdf">http://www.ti.com/lit/ds/symlink/tca9548a.pdf</a></td>
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<td>TCA9554DB</td><td>Description: 8 Bit Port/Expander, I2C SMBUS, Interrupt output, SSOP-16<br>Keys: SMBUS I2C Expander<br>Datasheet: <a href="http://www.ti.com/lit/ds/symlink/tca9554.pdf">http://www.ti.com/lit/ds/symlink/tca9554.pdf</a></td>
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<td>TCA9554DBQ</td><td>Description: 8 Bit Port/Expander, I2C SMBUS, Interrupt output, SSOP-16<br>Keys: SMBUS I2C Expander<br>Datasheet: <a href="http://www.ti.com/lit/ds/symlink/tca9554.pdf">http://www.ti.com/lit/ds/symlink/tca9554.pdf</a></td>
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<td>TCA9554DW</td><td>Description: 8 Bit Port/Expander, I2C SMBUS, Interrupt output, SOIC-16<br>Keys: SMBUS I2C Expander<br>Datasheet: <a href="http://www.ti.com/lit/ds/symlink/tca9554.pdf">http://www.ti.com/lit/ds/symlink/tca9554.pdf</a></td>
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<td>TCA9554PW</td><td>Description: 8 Bit Port/Expander, I2C SMBUS, Interrupt output, TSSOP-16<br>Keys: SMBUS I2C Expander<br>Datasheet: <a href="http://www.ti.com/lit/ds/symlink/tca9554.pdf">http://www.ti.com/lit/ds/symlink/tca9554.pdf</a></td>
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<td>TCA9555DBR</td><td>Description: 16-bit I/O expander, I2C and SMBus interface, interrupts, w/ pull-ups, SSOP-24<br>Keys: ti parallel port<br>Datasheet: <a href="http://www.ti.com/lit/ds/symlink/tca9555.pdf">http://www.ti.com/lit/ds/symlink/tca9555.pdf</a></td>
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<td>TCA9555DBT</td><td>Description: 16-bit I/O expander, I2C and SMBus interface, interrupts, w/ pull-ups, SSOP-24<br>Keys: ti parallel port<br>Datasheet: <a href="http://www.ti.com/lit/ds/symlink/tca9555.pdf">http://www.ti.com/lit/ds/symlink/tca9555.pdf</a></td>
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<td>TCA9555PWR</td><td>Description: 16-bit I/O expander, I2C and SMBus interface, interrupts, w/ pull-ups, TSSOP-24 package<br>Keys: ti parallel port<br>Datasheet: <a href="http://www.ti.com/lit/ds/symlink/tca9555.pdf">http://www.ti.com/lit/ds/symlink/tca9555.pdf</a></td>
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<td>TCA9555RGER</td><td>Description: 16-bit I/O expander, I2C and SMBus interface, interrupts, w/ pull-ups, QFN-24<br>Keys: ti parallel port<br>Datasheet: <a href="http://www.ti.com/lit/ds/symlink/tca9555.pdf">http://www.ti.com/lit/ds/symlink/tca9555.pdf</a></td>
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<td>TCA9555RTWR</td><td>Description: 16-bit I/O expander, I2C and SMBus interface, interrupts, w/ pull-ups, QFN-24<br>Keys: ti parallel port<br>Datasheet: <a href="http://www.ti.com/lit/ds/symlink/tca9555.pdf">http://www.ti.com/lit/ds/symlink/tca9555.pdf</a></td>
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<td>TPIC6595</td><td>Description: Power Logic 8-bit Shift Register, DIP-8/SOIC-8<br>Keys: shift register 8bit<br>Datasheet: <a href="http://www.ti.com/lit/ds/symlink/tpic6595.pdf">http://www.ti.com/lit/ds/symlink/tpic6595.pdf</a></td>
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